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raw | patch | inline | side by side (from parent 1: 8d7a7a3)
raw | patch | inline | side by side (from parent 1: 8d7a7a3)
author | Daniel jeong <daniel.jeong@ti.com> | |
Tue, 8 Jul 2014 11:02:22 +0000 (20:02 +0900) | ||
committer | Daniel jeong <daniel.jeong@ti.com> | |
Tue, 8 Jul 2014 11:02:22 +0000 (20:02 +0900) |
Signed-off-by: Daniel jeong <daniel.jeong@ti.com>
drivers/media/i2c/Kconfig | patch | blob | history | |
drivers/media/i2c/Makefile | patch | blob | history | |
drivers/media/i2c/lm3643.c | [new file with mode: 0644] | patch | blob |
include/media/lm3643.h | [new file with mode: 0644] | patch | blob |
include/uapi/linux/v4l2-controls.h | patch | blob | history |
index 4aa9c5311cc506c6cca0a61c83b48402ae5fe684..f5218581be3c46be834489f699ea83b4423f73c4 100644 (file)
This is a driver for the lm3560 dual flash controllers. It controls
flash, torch LEDs.
This is a driver for the lm3560 dual flash controllers. It controls
flash, torch LEDs.
+config VIDEO_LM3643
+ tristate "LM3643 dual flash driver support"
+ depends on I2C && VIDEO_V4L2 && MEDIA_CONTROLLER
+ depends on MEDIA_CAMERA_SUPPORT
+ select REGMAP_I2C
+ ---help---
+ This is a driver for the lm3643 dual flash controllers. It controls
+ flash, torch and ir modes.
+
comment "Video improvement chips"
config VIDEO_UPD64031A
comment "Video improvement chips"
config VIDEO_UPD64031A
index 48888ae876fb36f2b83080619f2605f9ae62563d..d35fe250797c41e2a86978646261c6505cfa68f7 100644 (file)
obj-$(CONFIG_VIDEO_ADP1653) += adp1653.o
obj-$(CONFIG_VIDEO_AS3645A) += as3645a.o
obj-$(CONFIG_VIDEO_LM3560) += lm3560.o
obj-$(CONFIG_VIDEO_ADP1653) += adp1653.o
obj-$(CONFIG_VIDEO_AS3645A) += as3645a.o
obj-$(CONFIG_VIDEO_LM3560) += lm3560.o
+obj-$(CONFIG_VIDEO_LM3643) += lm3643.o
obj-$(CONFIG_VIDEO_SMIAPP_PLL) += smiapp-pll.o
obj-$(CONFIG_VIDEO_AK881X) += ak881x.o
obj-$(CONFIG_VIDEO_IR_I2C) += ir-kbd-i2c.o
obj-$(CONFIG_VIDEO_SMIAPP_PLL) += smiapp-pll.o
obj-$(CONFIG_VIDEO_AK881X) += ak881x.o
obj-$(CONFIG_VIDEO_IR_I2C) += ir-kbd-i2c.o
diff --git a/drivers/media/i2c/lm3643.c b/drivers/media/i2c/lm3643.c
--- /dev/null
@@ -0,0 +1,497 @@
+/*
+ * drivers/media/i2c/lm3643.c
+ * General device driver for TI LM3643, FLASH LED Driver
+ *
+ * Copyright (C) 2014 Texas Instruments
+ *
+ * Contact: Daniel Jeong <gshark.jeong@gmail.com>
+ * Ldd-Mlp <ldd-mlp@list.ti.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ */
+
+#include <linux/delay.h>
+#include <linux/module.h>
+#include <linux/i2c.h>
+#include <linux/slab.h>
+#include <linux/mutex.h>
+#include <linux/regmap.h>
+#include <linux/videodev2.h>
+#include <media/lm3643.h>
+#include <media/v4l2-ctrls.h>
+#include <media/v4l2-device.h>
+
+/* registers definitions */
+#define REG_ENABLE 0x01
+#define REG_FLASH_LED0_BR 0x03
+#define REG_FLASH_LED1_BR 0x04
+#define REG_TORCH_LED0_BR 0x05
+#define REG_TORCH_LED1_BR 0x06
+#define REG_FLASH_TOUT 0x08
+#define REG_FLAG0 0x0a
+#define REG_FLAG1 0x0b
+
+/* Fault Mask */
+#define FAULT_TIMEOUT (1<<0)
+#define FAULT_SHORT_CIRCUIT (0x70)
+#define FAULT_UVLO (1<<1)
+#define FAULT_IVFM (1<<2)
+#define FAULT_OCP (1<<3)
+#define FAULT_OVERTEMP (1<<2)
+#define FAULT_NTC_TRIP (1<<0)
+#define FAULT_OVP (1<<1)
+
+#define MASK_MODE 0x0C
+enum led_mode {
+ MODE_SHDN = 0x00,
+ MODE_IR_DRV = 0x04,
+ MODE_TORCH = 0x08,
+ MODE_FLASH = 0x0C,
+};
+
+/*
+ * struct lm3643_flash
+ *
+ * @pdata: platform data
+ * @regmap: reg. map for i2c
+ * @lock: muxtex for serial access.
+ * @led_mode: V4L2 LED mode
+ * @ctrls_led: V4L2 contols
+ * @subdev_led: V4L2 subdev
+ */
+struct lm3643_flash {
+ struct device *dev;
+ struct lm3643_platform_data *pdata;
+ struct regmap *regmap;
+ struct mutex lock;
+
+ struct v4l2_ctrl_handler ctrls_led[LM3643_LED_MAX];
+ struct v4l2_subdev subdev_led[LM3643_LED_MAX];
+ /* caching control register to reduce redundant i2c accesses */
+ u8 enable_reg;
+
+};
+
+#define to_lm3643_flash(_ctrl, _no) \
+ container_of(_ctrl->handler, struct lm3643_flash, ctrls_led[_no])
+
+/* enable mode control */
+static int lm3643_mode_ctrl(struct lm3643_flash *flash,
+ enum v4l2_flash_led_mode led_mode)
+{
+ switch (led_mode) {
+ case V4L2_FLASH_LED_MODE_NONE:
+ return regmap_write(flash->regmap,
+ REG_ENABLE, flash->enable_reg | MODE_SHDN);
+ case V4L2_FLASH_LED_MODE_IR:
+ return regmap_write(flash->regmap,
+ REG_ENABLE,
+ flash->enable_reg | MODE_IR_DRV);
+ case V4L2_FLASH_LED_MODE_TORCH:
+ return regmap_write(flash->regmap,
+ REG_ENABLE, flash->enable_reg | MODE_TORCH);
+ case V4L2_FLASH_LED_MODE_FLASH:
+ return regmap_write(flash->regmap,
+ REG_ENABLE, flash->enable_reg | MODE_FLASH);
+ }
+ return -EINVAL;
+}
+
+/* torch0/1 brightness control */
+static int lm3643_torch_brt_ctrl(struct lm3643_flash *flash,
+ enum lm3643_led_id led_no, unsigned int brt)
+{
+ int rval;
+ u8 br_bits;
+
+ br_bits = LM3643_TORCH_BRT_uA_TO_REG(brt);
+ if (led_no == LM3643_LED0)
+ rval = regmap_update_bits(flash->regmap,
+ REG_TORCH_LED0_BR, 0x7f, br_bits);
+ else
+ rval = regmap_update_bits(flash->regmap,
+ REG_TORCH_LED1_BR, 0x7f, br_bits);
+ return rval;
+}
+
+/* flash0/1 brightness control */
+static int lm3643_flash_brt_ctrl(struct lm3643_flash *flash,
+ enum lm3643_led_id led_no, unsigned int brt)
+{
+ int rval;
+ u8 br_bits;
+
+ br_bits = LM3643_FLASH_BRT_uA_TO_REG(brt);
+ if (led_no == LM3643_LED0)
+ rval = regmap_update_bits(flash->regmap,
+ REG_FLASH_LED0_BR, 0x7f, br_bits);
+ else
+ rval = regmap_update_bits(flash->regmap,
+ REG_FLASH_LED1_BR, 0x7f, br_bits);
+ return rval;
+}
+
+static int lm3643_get_ctrl(struct v4l2_ctrl *ctrl, enum lm3643_led_id led_no)
+{
+ struct lm3643_flash *flash = to_lm3643_flash(ctrl, led_no);
+ int rval = -EINVAL;
+
+ mutex_lock(&flash->lock);
+
+ if (ctrl->id == V4L2_CID_FLASH_FAULT) {
+ unsigned int reg_val;
+
+ rval = regmap_read(flash->regmap, REG_FLAG0, ®_val);
+ if (rval < 0)
+ goto out;
+ ctrl->val = 0;
+ if (reg_val & FAULT_TIMEOUT)
+ ctrl->val |= V4L2_FLASH_FAULT_TIMEOUT;
+ if (reg_val & FAULT_UVLO)
+ ctrl->val |= V4L2_FLASH_FAULT_UNDER_VOLTAGE;
+ if (reg_val & FAULT_OVERTEMP)
+ ctrl->val |= V4L2_FLASH_FAULT_OVER_TEMPERATURE;
+ if (reg_val & FAULT_OCP)
+ ctrl->val |= V4L2_FLASH_FAULT_OVER_CURRENT;
+ if (reg_val & FAULT_SHORT_CIRCUIT)
+ ctrl->val |= V4L2_FLASH_FAULT_SHORT_CIRCUIT;
+
+ rval = regmap_read(flash->regmap, REG_FLAG1, ®_val);
+ if (rval < 0)
+ goto out;
+ if (reg_val & FAULT_IVFM)
+ ctrl->val |= V4L2_FLASH_FAULT_INPUT_VOLTAGE;
+ if (reg_val & FAULT_NTC_TRIP)
+ ctrl->val |= V4L2_FLASH_FAULT_LED_OVER_TEMPERATURE;
+ if (reg_val & FAULT_OVP)
+ ctrl->val |= V4L2_FLASH_FAULT_OVER_VOLTAGE;
+ }
+
+out:
+ mutex_unlock(&flash->lock);
+ return rval;
+}
+
+static int lm3643_set_ctrl(struct v4l2_ctrl *ctrl, enum lm3643_led_id led_no)
+{
+ struct lm3643_flash *flash = to_lm3643_flash(ctrl, led_no);
+ u8 tout_bits;
+ int rval = -EINVAL;
+ unsigned int reg_val;
+
+ mutex_lock(&flash->lock);
+
+ switch (ctrl->id) {
+ case V4L2_CID_FLASH_LED_MODE:
+ if (ctrl->val != V4L2_FLASH_LED_MODE_FLASH) {
+ rval = lm3643_mode_ctrl(flash, ctrl->val);
+ break;
+ }
+ /* switch to SHDN mode before flash strobe on */
+ rval = lm3643_mode_ctrl(flash, V4L2_FLASH_LED_MODE_NONE);
+ break;
+
+ case V4L2_CID_FLASH_STROBE_SOURCE:
+ rval = regmap_update_bits(flash->regmap,
+ REG_ENABLE, 0x20, (ctrl->val) << 6);
+ if (rval < 0)
+ goto err_out;
+ rval = regmap_read(flash->regmap, REG_ENABLE, ®_val);
+ if (rval < 0)
+ goto err_out;
+ flash->enable_reg = reg_val & (~MASK_MODE);
+ break;
+
+ case V4L2_CID_FLASH_STROBE:
+
+ /* read and check current mode of chip to start flash */
+ rval = regmap_read(flash->regmap, REG_ENABLE, ®_val);
+ if (rval < 0 || ((reg_val & MASK_MODE) != MODE_SHDN))
+ goto err_out;
+ /* flash on */
+ rval = lm3643_mode_ctrl(flash, V4L2_FLASH_LED_MODE_FLASH);
+ break;
+
+ case V4L2_CID_FLASH_STROBE_STOP:
+ /*
+ * flash mode will be turned automatically
+ * from FLASH mode to SHDN mode after flash duration timeout
+ * read and check current mode of chip to stop flash
+ */
+ rval = regmap_read(flash->regmap, REG_ENABLE, ®_val);
+ if (rval < 0)
+ goto err_out;
+ if ((reg_val & MASK_MODE) == MODE_FLASH)
+ rval = lm3643_mode_ctrl(flash,
+ V4L2_FLASH_LED_MODE_NONE);
+ break;
+
+ case V4L2_CID_FLASH_TIMEOUT:
+ tout_bits = LM3643_FLASH_TOUT_ms_TO_REG(ctrl->val);
+ rval = regmap_update_bits(flash->regmap,
+ REG_FLASH_TOUT, 0x0f, tout_bits);
+ break;
+
+ case V4L2_CID_FLASH_INTENSITY:
+ rval = lm3643_flash_brt_ctrl(flash, led_no, ctrl->val);
+ break;
+
+ case V4L2_CID_FLASH_TORCH_INTENSITY:
+ rval = lm3643_torch_brt_ctrl(flash, led_no, ctrl->val);
+ break;
+ }
+
+err_out:
+ mutex_unlock(&flash->lock);
+ return rval;
+}
+
+static int lm3643_led1_get_ctrl(struct v4l2_ctrl *ctrl)
+{
+ return lm3643_get_ctrl(ctrl, LM3643_LED1);
+}
+
+static int lm3643_led1_set_ctrl(struct v4l2_ctrl *ctrl)
+{
+ return lm3643_set_ctrl(ctrl, LM3643_LED1);
+}
+
+static int lm3643_led0_get_ctrl(struct v4l2_ctrl *ctrl)
+{
+ return lm3643_get_ctrl(ctrl, LM3643_LED0);
+}
+
+static int lm3643_led0_set_ctrl(struct v4l2_ctrl *ctrl)
+{
+ return lm3643_set_ctrl(ctrl, LM3643_LED0);
+}
+
+static const struct v4l2_ctrl_ops lm3643_led_ctrl_ops[LM3643_LED_MAX] = {
+ [LM3643_LED0] = {
+ .g_volatile_ctrl = lm3643_led0_get_ctrl,
+ .s_ctrl = lm3643_led0_set_ctrl,
+ },
+ [LM3643_LED1] = {
+ .g_volatile_ctrl = lm3643_led1_get_ctrl,
+ .s_ctrl = lm3643_led1_set_ctrl,
+ }
+};
+
+static int lm3643_init_controls(struct lm3643_flash *flash,
+ enum lm3643_led_id led_no)
+{
+ struct v4l2_ctrl *fault;
+ struct v4l2_ctrl_handler *hdl = &flash->ctrls_led[led_no];
+ const struct v4l2_ctrl_ops *ops = &lm3643_led_ctrl_ops[led_no];
+
+ v4l2_ctrl_handler_init(hdl, 8);
+
+ /* flash mode */
+ v4l2_ctrl_new_std_menu(hdl, ops, V4L2_CID_FLASH_LED_MODE,
+ V4L2_FLASH_LED_MODE_IR, ~0x7,
+ V4L2_FLASH_LED_MODE_NONE);
+
+ /* flash source */
+ v4l2_ctrl_new_std_menu(hdl, ops, V4L2_CID_FLASH_STROBE_SOURCE,
+ 0x1, ~0x3, V4L2_FLASH_STROBE_SOURCE_SOFTWARE);
+
+ /* flash strobe */
+ v4l2_ctrl_new_std(hdl, ops, V4L2_CID_FLASH_STROBE, 0, 0, 0, 0);
+
+ /* flash strobe stop */
+ v4l2_ctrl_new_std(hdl, ops, V4L2_CID_FLASH_STROBE_STOP, 0, 0, 0, 0);
+
+ /* flash strobe timeout */
+ v4l2_ctrl_new_std(hdl, ops, V4L2_CID_FLASH_TIMEOUT,
+ LM3643_FLASH_TOUT_MIN,
+ LM3643_FLASH_TOUT_MAX,
+ LM3643_FLASH_TOUT_LOW_STEP, LM3643_FLASH_TOUT_MAX);
+
+ /* flash brt */
+ v4l2_ctrl_new_std(hdl, ops, V4L2_CID_FLASH_INTENSITY,
+ LM3643_FLASH_BRT_MIN, LM3643_FLASH_BRT_MAX,
+ LM3643_FLASH_BRT_STEP, LM3643_FLASH_BRT_MAX);
+
+ /* torch brt */
+ v4l2_ctrl_new_std(hdl, ops, V4L2_CID_FLASH_TORCH_INTENSITY,
+ LM3643_TORCH_BRT_MIN, LM3643_TORCH_BRT_MAX,
+ LM3643_TORCH_BRT_STEP, LM3643_TORCH_BRT_MAX);
+
+ /* fault */
+ fault = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_FLASH_FAULT, 0,
+ V4L2_FLASH_FAULT_TIMEOUT
+ | V4L2_FLASH_FAULT_SHORT_CIRCUIT
+ | V4L2_FLASH_FAULT_UNDER_VOLTAGE
+ | V4L2_FLASH_FAULT_INPUT_VOLTAGE
+ | V4L2_FLASH_FAULT_OVER_CURRENT
+ | V4L2_FLASH_FAULT_OVER_TEMPERATURE
+ | V4L2_FLASH_FAULT_LED_OVER_TEMPERATURE
+ | V4L2_FLASH_FAULT_OVER_VOLTAGE, 0, 0);
+ if (fault != NULL)
+ fault->flags |= V4L2_CTRL_FLAG_VOLATILE;
+
+ if (hdl->error)
+ return hdl->error;
+
+ flash->subdev_led[led_no].ctrl_handler = hdl;
+ return 0;
+}
+
+/* initialize device */
+static const struct v4l2_subdev_ops lm3643_ops = {
+ .core = NULL,
+};
+
+static const struct regmap_config lm3643_regmap = {
+ .reg_bits = 8,
+ .val_bits = 8,
+ .max_register = 0xFF,
+};
+
+static int lm3643_subdev_init(struct lm3643_flash *flash,
+ enum lm3643_led_id led_no, char *led_name)
+{
+ struct i2c_client *client = to_i2c_client(flash->dev);
+ int rval;
+
+ v4l2_i2c_subdev_init(&flash->subdev_led[led_no], client, &lm3643_ops);
+ flash->subdev_led[led_no].flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
+ strcpy(flash->subdev_led[led_no].name, led_name);
+ rval = lm3643_init_controls(flash, led_no);
+ if (rval)
+ goto err_out;
+ rval = media_entity_init(&flash->subdev_led[led_no].entity, 0, NULL, 0);
+ if (rval < 0)
+ goto err_out;
+ flash->subdev_led[led_no].entity.type = MEDIA_ENT_T_V4L2_SUBDEV_FLASH;
+
+ return rval;
+
+err_out:
+ v4l2_ctrl_handler_free(&flash->ctrls_led[led_no]);
+ return rval;
+}
+
+static int lm3643_init_device(struct lm3643_flash *flash)
+{
+ int rval;
+ unsigned int reg_val;
+
+ rval = regmap_read(flash->regmap, REG_ENABLE, ®_val);
+ if (rval < 0)
+ return rval;
+ /* set led0/1 enable bits */
+ reg_val |= flash->pdata->led0_enable;
+ reg_val |= flash->pdata->led1_enable;
+ /* save enable register to reduce redundant i2c accesses */
+ flash->enable_reg = reg_val & 0xf3;
+
+ rval = regmap_write(flash->regmap, REG_ENABLE, reg_val);
+ if (rval < 0)
+ return rval;
+
+ /* set output mode */
+ rval = lm3643_mode_ctrl(flash, V4L2_FLASH_LED_MODE_NONE);
+ if (rval < 0)
+ return rval;
+
+ /* Reset flag 0 register */
+ rval = regmap_read(flash->regmap, REG_FLAG0, ®_val);
+ if (rval < 0)
+ return rval;
+
+ /* Reset flag 1 register */
+ return regmap_read(flash->regmap, REG_FLAG1, ®_val);
+
+}
+
+static int lm3643_probe(struct i2c_client *client,
+ const struct i2c_device_id *devid)
+{
+ struct lm3643_flash *flash;
+ struct lm3643_platform_data *pdata = dev_get_platdata(&client->dev);
+ int rval;
+
+ flash = devm_kzalloc(&client->dev, sizeof(*flash), GFP_KERNEL);
+ if (flash == NULL)
+ return -ENOMEM;
+
+ flash->regmap = devm_regmap_init_i2c(client, &lm3643_regmap);
+ if (IS_ERR(flash->regmap))
+ return PTR_ERR(flash->regmap);
+
+ /* if there is no platform data, use chip default value */
+ if (pdata == NULL) {
+ pdata = devm_kzalloc(&client->dev, sizeof(*pdata), GFP_KERNEL);
+ if (pdata == NULL)
+ return -ENODEV;
+ pdata->led0_enable = 0x01;
+ pdata->led1_enable = 0x01 << 1;
+ pdata->flash1_override = 0x01 << 7;
+ pdata->torch1_override = 0x01 << 7;
+ }
+ flash->pdata = pdata;
+ flash->dev = &client->dev;
+ mutex_init(&flash->lock);
+
+ rval = lm3643_subdev_init(flash, LM3643_LED0, "lm3643-led0");
+ if (rval < 0)
+ return rval;
+
+ rval = lm3643_subdev_init(flash, LM3643_LED1, "lm3643-led1");
+ if (rval < 0)
+ return rval;
+
+ rval = lm3643_init_device(flash);
+ if (rval < 0)
+ return rval;
+
+ i2c_set_clientdata(client, flash);
+
+ return 0;
+}
+
+static int lm3643_remove(struct i2c_client *client)
+{
+ struct lm3643_flash *flash = i2c_get_clientdata(client);
+ unsigned int i;
+
+ for (i = LM3643_LED0; i < LM3643_LED_MAX; i++) {
+ v4l2_device_unregister_subdev(&flash->subdev_led[i]);
+ v4l2_ctrl_handler_free(&flash->ctrls_led[i]);
+ media_entity_cleanup(&flash->subdev_led[i].entity);
+ }
+
+ return 0;
+}
+
+static const struct i2c_device_id lm3643_id_table[] = {
+ {LM3643_NAME, 0},
+ {}
+};
+
+MODULE_DEVICE_TABLE(i2c, lm3643_id_table);
+
+static struct i2c_driver lm3643_i2c_driver = {
+ .driver = {
+ .name = LM3643_NAME,
+ .pm = NULL,
+ },
+ .probe = lm3643_probe,
+ .remove = lm3643_remove,
+ .id_table = lm3643_id_table,
+};
+
+module_i2c_driver(lm3643_i2c_driver);
+
+MODULE_AUTHOR("Daniel Jeong <gshark.jeong@gmail.com>");
+MODULE_AUTHOR("Ldd Mlp <ldd-mlp@list.ti.com>");
+MODULE_DESCRIPTION("Texas Instruments LM3643 LED flash driver");
+MODULE_LICENSE("GPL");
diff --git a/include/media/lm3643.h b/include/media/lm3643.h
--- /dev/null
+++ b/include/media/lm3643.h
@@ -0,0 +1,86 @@
+/*
+ * include/media/lm3643.h
+ *
+ * Copyright (C) 2014 Texas Instruments
+ *
+ * Contact: Daniel Jeong <gshark.jeong@gmail.com>
+ * Ldd-Mlp <ldd-mlp@list.ti.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ */
+
+#ifndef __LM3643_H__
+#define __LM3643_H__
+
+#include <media/v4l2-subdev.h>
+
+#define LM3643_NAME "lm3643"
+#define LM3643_I2C_ADDR (0x63)
+
+/* FLASH Brightness
+ * min 11310uA, step 11720uA, max 1500000uA
+ */
+#define LM3643_FLASH_BRT_MIN 11310
+#define LM3643_FLASH_BRT_STEP 11720
+#define LM3643_FLASH_BRT_MAX 1500000
+#define LM3643_FLASH_BRT_uA_TO_REG(a) \
+ ((a) < LM3643_FLASH_BRT_MIN ? 0 : \
+ (((a) - LM3643_FLASH_BRT_MIN) / LM3643_FLASH_BRT_STEP))
+
+/* TORCH BRT
+ * min 1060uA, step 1460uA, max 187000uA
+ */
+#define LM3643_TORCH_BRT_MIN 1060
+#define LM3643_TORCH_BRT_STEP 1460
+#define LM3643_TORCH_BRT_MAX 187000
+#define LM3643_TORCH_BRT_uA_TO_REG(a) \
+ ((a) < LM3643_TORCH_BRT_MIN ? 0 : \
+ (((a) - LM3643_TORCH_BRT_MIN) / LM3643_TORCH_BRT_STEP))
+
+/* FLASH TIMEOUT DURATION
+ * min 10ms, max 400ms
+ * step 10ms in range from 10ms to 100ms
+ * setp 50ms in range from 100ms to 400ms
+ */
+#define LM3643_FLASH_TOUT_MIN 10
+#define LM3643_FLASH_TOUT_LOW_STEP 10
+#define LM3643_FLASH_TOUT_LOW_MAX 100
+#define LM3643_FLASH_TOUT_HIGH_STEP 50
+#define LM3643_FLASH_TOUT_MAX 400
+#define LM3643_FLASH_TOUT_ms_TO_REG(a) \
+ ((a) < LM3643_FLASH_TOUT_MIN ? 0 : \
+ ((a) <= LM3643_FLASH_TOUT_LOW_MAX ? \
+ (((a) - LM3643_FLASH_TOUT_MIN) / LM3643_FLASH_TOUT_LOW_STEP) : \
+ ((((a) - LM3643_FLASH_TOUT_LOW_MAX) / LM3643_FLASH_TOUT_HIGH_STEP) \
+ +((LM3643_FLASH_TOUT_LOW_MAX - LM3643_FLASH_TOUT_MIN) \
+ / LM3643_FLASH_TOUT_LOW_STEP))))
+
+enum lm3643_led_id {
+ LM3643_LED0 = 0,
+ LM3643_LED1,
+ LM3643_LED_MAX
+};
+
+/*
+ * struct lm3643_platform_data
+ * @led0_enable : led0 enable
+ * @led1_enable : led1 enable
+ * @flash1_override : led1 flash current override
+ * @torch1_override : led1 torch current override
+ */
+struct lm3643_platform_data {
+
+ u8 led0_enable;
+ u8 led1_enable;
+ u8 flash1_override;
+ u8 torch1_override;
+};
+
+#endif /* __LM3643_H__ */
index 1666aabbbb868ae9a215794e36726bd37a6fe2bd..b18d8942e4b547d822e4ed87bd924da2d187fa57 100644 (file)
V4L2_FLASH_LED_MODE_NONE,
V4L2_FLASH_LED_MODE_FLASH,
V4L2_FLASH_LED_MODE_TORCH,
V4L2_FLASH_LED_MODE_NONE,
V4L2_FLASH_LED_MODE_FLASH,
V4L2_FLASH_LED_MODE_TORCH,
+ V4L2_FLASH_LED_MODE_IR,
};
#define V4L2_CID_FLASH_STROBE_SOURCE (V4L2_CID_FLASH_CLASS_BASE + 2)
};
#define V4L2_CID_FLASH_STROBE_SOURCE (V4L2_CID_FLASH_CLASS_BASE + 2)